Home / 9,322.70-13,989.45-3,479.90

Finding the Fourth Proportional to 9,322.70, 13,989.45 and 3,479.90

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Solution

The fourth proportional to 9,322.70, 13,989.45 and 3,479.90 is: 5,221.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.70 : 13,989.45 = 3,479.90 : x
  2. Step 2: Convert to fraction form
    9,322.70/13,989.45 = 3,479.90/x
  3. Step 3: Cross multiply
    9,322.70x = 13,989.45 × 3,479.90
  4. Step 4: Simplify right side
    9,322.70x = 48,681,887.06
  5. Step 5: Solve for x
    x = 48,681,887.06/9,322.70
  6. Step 6: Final answer
    x = 5,221.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.